Triple

T1218430
Position Surface form Disambiguated ID Type / Status
Subject 13th Street station E26160 entity
Predicate category P87 FINISHED
Object SEPTA Subway–Surface Trolley stations
SEPTA Subway–Surface Trolley stations are a group of underground and surface-level stops in Philadelphia that serve the city’s trolley lines operating through the Subway–Surface tunnel system.
E1855 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: SEPTA Subway–Surface Trolley stations | Statement: [13th Street station, category, SEPTA Subway–Surface Trolley stations]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SEPTA Subway–Surface Trolley stations
Context triple: [13th Street station, category, SEPTA Subway–Surface Trolley stations]
  • A. SEPTA Subway–Surface Trolley Lines
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • B. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • C. SEPTA rapid transit network
    The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
  • D. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • E. Jefferson Station (SEPTA)
    Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: SEPTA Subway–Surface Trolley stations
Triple: [13th Street station, category, SEPTA Subway–Surface Trolley stations]
Generated description
SEPTA Subway–Surface Trolley stations are a group of underground and surface-level stops in Philadelphia that serve the city’s trolley lines operating through the Subway–Surface tunnel system.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SEPTA Subway–Surface Trolley stations
Target entity description: SEPTA Subway–Surface Trolley stations are a group of underground and surface-level stops in Philadelphia that serve the city’s trolley lines operating through the Subway–Surface tunnel system.
  • A. SEPTA Subway–Surface Trolley Lines chosen
    The SEPTA Subway–Surface Trolley Lines are a network of light rail routes in Philadelphia that operate partly in subway tunnels and partly on city streets, connecting Center City with West Philadelphia and surrounding neighborhoods.
  • B. SEPTA Regional Rail
    SEPTA Regional Rail is a commuter rail network serving the Philadelphia metropolitan area, connecting the city with its suburbs and neighboring regions.
  • C. SEPTA rapid transit network
    The SEPTA rapid transit network is the system of high-capacity urban rail lines serving Philadelphia and some surrounding suburbs, operated by the Southeastern Pennsylvania Transportation Authority.
  • D. SEPTA Suburban Transit Division
    The SEPTA Suburban Transit Division is the part of Philadelphia’s regional transit system that operates bus, trolley, and other public transportation services in the suburban areas surrounding the city.
  • E. Jefferson Station (SEPTA)
    Jefferson Station (SEPTA) is a major underground regional rail hub in Center City Philadelphia that connects multiple commuter lines and provides direct access to nearby downtown destinations.
  • F. None of above.

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69a4948331fc8190b531ac9bec71c491 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be08157c8190b248bb75b922644f completed March 1, 2026, 10:30 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac8f71aaa481909736d21705744341 completed March 7, 2026, 8:49 p.m.
NEDg Description generation batch_69ac90311f408190b6e86b5287fb4468 completed March 7, 2026, 8:53 p.m.
NED2 Entity disambiguation (via description) batch_69ac911b6ab8819088773c2ca4e9fade completed March 7, 2026, 8:56 p.m.
Created at: March 1, 2026, 7:46 p.m.